#!bin/bash



s1_hello(){

    echo "hello, world!"

}



s2_tell_who_i_am(){

    echo "$(whoami)"

}



s3_which_distro_do_i_use(){

    cat /etc/*-release | grep "^NAME"

}



s4_view_my_cpu_arch(){

    uname -m

}



s5_show_first_scsi_disk_size(){

    lsblk -l | \grep disk | \grep '^sda' | \awk '{print $4}' |tr -d 'G'

}



s6_show_main_memory_size_in_megabytes(){

    free -m | grep "Mem:" | awk '{print $2}'

}


